分析了JPEG图像的信息隐藏方法及各种攻击算法，提出了一种新的基于支持向量机(SVM)的盲检测算法。

After introducing some information hiding methods and steganalysis techniques for JPEG images, this paper proposes a new SVM-based blind steganalysis algorithm for JPEG images.

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以往的基于子采样的信息隐藏算法无法抵抗置乱攻击，本文提出了一个改进算法，实验表明该算法能有效抵抗置乱攻击。

The traditional subsampling based information hiding algorithm can not resist the permutation attack. In this paper, an improved algorithm is proposed to resist the permutation attack.

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实验表明该信息隐藏算法能有效抵抗几何攻击和常规图像处理攻击。

The experimental results show that the information hiding algorithm can resist not only the common image processing attacks, but also the geometrical attacks.

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实验表明该信息隐藏算法能有效抵抗几何攻击和常规图像处理攻击。

The experimental results show that the information hiding algorithm can resist not only the common image processing attacks, but also the geometrical attacks.

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